Gonzalo E. Reyes. A Topos-Theoretic Approach to Reference and Modality. Notre Dame Journal of Formal Logic, 32(3):359-391, 1991.
@article{Reyes91, title = {A Topos-Theoretic Approach to Reference and Modality}, author = {Gonzalo E. Reyes}, year = {1991}, tags = {e-science, systematic-approach}, researchr = {https://researchr.org/publication/Reyes91}, cites = {0}, citedby = {0}, journal = {Notre Dame Journal of Formal Logic}, volume = {32}, number = {3}, pages = {359-391}, }